1 files changed, 9 insertions, 11 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 3734dc9708e1..643908b74bc0 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -47,7 +47,7 @@ modalias_show(struct device *dev, struct device_attribute *a, char *buf)
 {
         const struct spi_device *spi = to_spi_device(dev);
 
-        return snprintf(buf, BUS_ID_SIZE + 1, "%s\n", spi->modalias);
+        return sprintf(buf, "%s\n", spi->modalias);
 }
 
 static struct device_attribute spi_dev_attrs[] = {
@@ -63,7 +63,7 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
 {
         const struct spi_device *spi = to_spi_device(dev);
 
-        return strncmp(spi->modalias, drv->name, BUS_ID_SIZE) == 0;
+        return strcmp(spi->modalias, drv->name) == 0;
 }
 
 static int spi_uevent(struct device *dev, struct kobj_uevent_env *env)
@@ -243,8 +243,7 @@ int spi_add_device(struct spi_device *spi)
         }
 
         /* Set the bus ID string */
-        snprintf(spi->dev.bus_id, sizeof spi->dev.bus_id,
-                        "%s.%u", spi->master->dev.bus_id,
+        dev_set_name(&spi->dev, "%s.%u", dev_name(&spi->master->dev),
                         spi->chip_select);
 
 
@@ -254,7 +253,7 @@ int spi_add_device(struct spi_device *spi)
          */
         mutex_lock(&spi_add_lock);
 
-        if (bus_find_device_by_name(&spi_bus_type, NULL, spi->dev.bus_id)
+        if (bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev))
                         != NULL) {
                 dev_err(dev, "chipselect %d already in use\n",
                                 spi->chip_select);
@@ -269,7 +268,7 @@ int spi_add_device(struct spi_device *spi)
         status = spi->master->setup(spi);
         if (status < 0) {
                 dev_err(dev, "can't %s %s, status %d\n",
-                                "setup", spi->dev.bus_id, status);
+                                "setup", dev_name(&spi->dev), status);
                 goto done;
         }
 
@@ -277,9 +276,9 @@ int spi_add_device(struct spi_device *spi)
         status = device_add(&spi->dev);
         if (status < 0)
                 dev_err(dev, "can't %s %s, status %d\n",
-                                "add", spi->dev.bus_id, status);
+                                "add", dev_name(&spi->dev), status);
         else
-                dev_dbg(dev, "registered child %s\n", spi->dev.bus_id);
+                dev_dbg(dev, "registered child %s\n", dev_name(&spi->dev));
 
 done:
         mutex_unlock(&spi_add_lock);
@@ -504,12 +503,11 @@ int spi_register_master(struct spi_master *master)
         /* register the device, then userspace will see it.
          * registration fails if the bus ID is in use.
          */
-        snprintf(master->dev.bus_id, sizeof master->dev.bus_id,
-                "spi%u", master->bus_num);
+        dev_set_name(&master->dev, "spi%u", master->bus_num);
         status = device_add(&master->dev);
         if (status < 0)
                 goto done;
-        dev_dbg(dev, "registered master %s%s\n", master->dev.bus_id,
+        dev_dbg(dev, "registered master %s%s\n", dev_name(&master->dev),
                         dynamic ? " (dynamic)" : "");
 
         /* populate children from any spi device tables */